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Bug

Headings defined in a map service published to ArcGIS Server are correctly reflected in the service’s JSON configuration but do not display in the results when performing a legend query (example: MapServer/legend) through the Feature Service REST API.

ArcGIS Online
Bug ID Number BUG-000179366
SubmittedSeptember 10, 2025
Last ModifiedDecember 12, 2025
Applies toArcGIS Online
Version foundJune 2025
Operating SystemWindows OS
Operating System Version11.0 64 bit
Version Fixed3.7, 12.1
StatusFixed

Additional Information

This issue is addressed in ArcGIS Pro 3.7 and ArcGIS Enterprise 12.1.

Workaround

Perform the Query Legends operation on a map service to return information about the map service's legend by layer; refer to this documentation: https://developers.arcgis.com/rest/services-reference/enterprise/query-legends-map-service/ for more information.

Steps to Reproduce

Bug ID: BUG-000179366

Software:

  • ArcGIS Online

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